Classes of ponderosa pine in New Mexico and Arizona susceptible to attack by the southwestern pine beetle and associated bark beetles
By: by Donald A. Pierce
Contributors: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.); United States. Forest Service
Series: Station paper / Rocky Mountain Forest and Range Experiment Station -- no. 64; Station paper (Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)) -- no. 64.
Publisher: Rocky Mountain Forest and Range Experiment Station
Published: 1961
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Ponderosa pine; Bark beetles
Notes: "August 1961."

Cover title.